REVIEW QUESTIONS WITH CORRECT
ANSWERS
Whichvofvthevfollowingvformsvofvresolutionvimprovesvwhenvframevratevincreases?v
lateral
longitudinal
temporal
spatialv-
vans✔✔temporalvresolution;vitvisvdirectlyvrelatedvtovframevrate,vhighvframevratevmeansvimp
rovedvtemporalvresolution
Whichvofvthevfollowingvisvconsistentvwithvimprovedvtemporalvresolution?
morevgrayvshades
highervframevrate
morevdetail
colorvDopplerv-vans✔✔highervframevrate;vframevratevdeterminesvtemporalvresolution
AllvofvthevfollowingvdecreasesvtemporalvresolutionvEXCEPT
multivfocus
narrowervsector
deepervimaging
lowervframevratev-
vans✔✔narrowervsector;vusuallyvimprovesvtemporalvresolution,vcreatedvwithvfewervpulses
Avsonographervadjustsvanvultrasoundvscanvtovdoublevthevdepthvofvviewv(5vtov10vcm).vWha
tvhappensvtovthevframevrate?
itvdoubles
itvisvhalved
itvincreasesvfromv5vtov10vHz
itvisvunchangedv-vans✔✔itvisvhalved;vframevratevandvimagingvdepthvarevinverselyvrelated
Avsonographervadjustsvanvultrasoundvscanvtovdoublevthevdepthvofvviewv(5vtov10vcm).vIfvthe
vframevratevremainsvthevsame,vwhichvofvthevfollowingvalsovoccurs?